/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.util;

/**
 * Simple {@link UserCodeClassLoader} implementation which assumes that the provided class
 * loader will never be released and, hence, will never execute the release hooks.
 */
public class SimpleUserCodeClassLoader implements UserCodeClassLoader {

	private final ClassLoader classLoader;

	private SimpleUserCodeClassLoader(ClassLoader classLoader) {
		this.classLoader = classLoader;
	}

	@Override
	public ClassLoader asClassLoader() {
		return classLoader;
	}

	@Override
	public void registerReleaseHookIfAbsent(String releaseHookName, Runnable releaseHook) {}

	public static SimpleUserCodeClassLoader create(ClassLoader classLoader) {
		return new SimpleUserCodeClassLoader(classLoader);
	}
}
